Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7790000 | Volatilizer | Yasuko Umetani, Ryuji Okano, Nobuya Kubo, Shusaku Tsutsumi, Shoichi Kohmoto | 2010-09-07 |
| D528417 | Inside plug | Hirohisa Yokoya | 2006-09-19 |
| D522641 | Air freshener | Hirohisa Yokoya | 2006-06-06 |
| D522642 | Air freshener | Hirohisa Yokoya, Yumi Miyake | 2006-06-06 |
| D519030 | Cap | Hirohisa Yokoya | 2006-04-18 |